Therma-Tek TC12-12G Service Manual

THERMA-TEK RANGE CORPORATION

“QUALITY AND STRENGTH”

GAS COUNTER EQUIPMENT

PARTS / SERVICE MANUAL

Models covered in this manual include:

Open Top Hot Plates:

TCHP12-1, TCHP12-2, TCHP24-2, TCHP24-4, TCHP36-6, TCHP48-8,
TCHP60-10, TCHP72-12.

Open Top Step-Up Hot Plates:

TCHP12SU-2, TCHP24SU-4, TCHP36SU-6, TCHP48SU-8, TCHP60SU­10, TCHP72SU-12.

Manual and Thermostatic Griddles:

TC12-12G/TG, TC24-24G/TG, TC36-36G/TG, TC48-48G//TG,
TC60-60G/TG, TC72-72G/TG.

Radiant and Char-Rock Broilers:

TC12-12RB/CRB, TC24-24RB/CRB, TC36-36RB/CRB, TC48-48RB/CRB,
TC60-60RB/CRB, TC72-72RB/CRB.

THERMA-TEK RANGE CORPORATION

115 ROTARY DRIVE – VALMONT IND. PARK

WEST HAZLETON, PA

TEL: [phone] FAX: [phone] WEB: WWW.THERMA-TEK.COM

INTRODUCTION

The Gas Counter Equipment Parts / Service manual contains Installation
& Operation Recommendations. It also includes Troubleshooting and
Technical Data such as Orifice Hood Sizing and Gas Pressure Requirements.
The material presented should be used in conjunction with the Owners
Manual, Professional Training, Service Experience, and Industry Standard
Practices.

TABLE OF CONTENTS: PAGE

Gas Counter Equipment Standard Features…………………………3
Model Number Identification……………………………………….4

Rating Plate Location……………………………………………….5
Identifying the Age of Equipment by Warranty Number…………..5
Gas Specifications…………………………………………………..6

Lighting Standing Pilots…………………………………………….7

Shut Down -Nightly and Complete…………………………………7

Open Top Burner Air Adjustment………………………………..…8

Setting the Bypass Flame on Thermostatic Griddles……….………9
Calibration Check and Thermostat Recalibration…………….…….9

General Troubleshooting………………………………………….10
Open Burner Hot Plate Exploded View…………………………..11

Open Burner Hot Plate Parts List………………………………...12

Griddle Exploded View…………………………………………..13
Griddle Parts List…………………………………………………14
Char Broiler Exploded View……………………………………..15
Char Broiler Parts List……………………………………………16

2

MODEL NUMBER IDENTIFICATION

OPEN TOP AND STEP-UP HOT PLATES:
EXAMPLE: TCHP24-4N

T (Therma) C (Counter) H (Hot) P (Plate)
12, 24, 36, 48, 60, 72 (The Width of the Unit)

-1, -2, -4, -6, -8, -10, -12 (The Number of Open Burners)
The Final Character N or L (NATURAL or LP Gas).

The STEP-UP HOT PLATE has the same description with the letters SU
(STEP-UP) ADDED.
EXAMPLE: TCHP24SU-4N

MANUAL AND THERMOSTATIC GRIDDLES:
EXAMPLE: TC24-24GN

T (Therma) C (Counter)
12, 24, 36, 48, 60, 72 (The Width of the Unit)
G (Manual Valve) or TG (Thermostatic Control)
The Final Character N or L (NATURAL or LP Gas).

RADIANT AND CHAR-ROCK BROILERS:
EXAMPLE: TC24-24RBN

T (THERMA) C (COUNTER)
12, 24, 36, 48, 60, 72 (The Width of the Unit)
RB (Radiant Broiler) – or – CRB (Char-Rock broiler).
The Final Character N or L (NATURAL or LP Gas).

3

Gas Counter Equipment Standard Features

• All gas counter series consist of a welded frame construction.

• Fully stainless steel exterior.

• 4” (101.5 mm) adjustable legs.

• Gas pressure regulator provided.

• One year limited parts and labor warranty.

Open Top Burners

• Cast iron lift off burner heads for easy cleaning.

• Rated at 30,000 BTU’s (8.79 kW).

• Top grate supports located every 12” assuring structural integrity.

• Spill-proof pilot ignition system.

• Individual 12” (305 mm) x 12” (305 mm) cast iron top grates.

• Controlled by a brass valve with infinite adjustment.

Griddles

• 5/8” thick polished steel plate.

• Spatula width grease trough.

• One heavy-duty, steel tube burner per 12” section; at 30,000 BTU/hr.

• Each 12” section is controlled by a valve.

• Each 24” section is controlled by a thermostat.

• Manual valve control is standard. Thermostat control is optional.

• Large capacity grease container.

Radiant Broilers

• One heavy-duty cast-iron H-Type burner per 12” section; 30,000 BTU/hr.

• Heavy cast-iron radiants with multiple heat sinks - (2) radiants per burner.

• Heavy-duty cast-iron cooking grates.

• Single piece precision brass valves with infinite heat control.

• Easy to remove drip pans

Char-Rock Broilers

• One heavy-duty cast-iron H-Type burner per 12” section; 30,000 BTU/hr.

• High quality lava rocks on cast iron supports provide maximum heat.

• Burners protected by heat shield to prevent blockage of ports and pilot.

• Heavy-duty cast-iron cooking grates.

• Single piece precision brass valves with infinite heat control.

• Easy to remove drip pans.

4

RATING PLATE LOCATION

The Rating Plate on all Gas Counter Models is located at the right
front – below the front panel.
See the handle of the pull-out drawer. Pull forward to see the
rating plate (sticker).

WARRANTY SERIAL NUMBER

THERMA-TEK SERIAL NUMBER & DATE CODE

Date of manufacture is a date code and is part of the serial number.

(a) (c)
Example: 09J00001A
(b) (d)

(a) Year Code: Use the last two digits of the year.
07 = 2007
08 = 2008
09 = 2009

(b) Month Code: A=Jan, B=Feb, C=Mar, D=Apr, E=May, F=Jun,
G=Jul, H=Aug, I=Sep J=Oct, K=Nov, L=Dec

(c) 5 Digit Serial Number: This number is reset to zero on the

new year.

(d) Engineering Digit: “A” is used for new release. Anytime a

design element is changed that would affect service, this digit
would be changed to “B”. Each time a change is made, the
letter is changed going down through the alphabet.

5

RESTAURANT RANGE GAS SPECIFICATIONS

BURNER TYPE

BTU / kW

NAT Hood

Orifice #

PRO Hood

Orifice #

Open Top

30,000 / 8.79

40

53

Griddle

30,000 / 8.79

48

55

Raised Griddle / Broiler

15.000 / 4.39

51

57

Hot Top

20,000 / 5.86

48

55

Char-Rock Broiler

30,000 / 8.79

39

52
Radiant Broiler

30,000 / 8.79

39

52

PRESSURE REGULATOR

A Pressure Regulator is provided with every Gas Counter

Unit and must be installed prior to start up.

GAS PRESSURE

Natural 5.0” Water Column / 12.45 mbar
Liquefied Propane 10.0” Water Column / 24.90 mbar

MANIFOLD SIZE ¾” N.P.T. on all Counter Models.

LOCATION

Gas manifold inlet is left facing, inboard 113/16”.

6